1122992209 has 2 divisors, whose sum is σ = 1122992210. Its totient is φ = 1122992208.

The previous prime is 1122992141. The next prime is 1122992231. The reversal of 1122992209 is 9022992211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 751582225 + 371409984 = 27415^2 + 19272^2 .

It is an emirp because it is prime and its reverse (9022992211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1122992209 - 2¹¹ = 1122990161 is a prime.

It is a super-3 number, since 3×1122992209³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (1122992609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561496104 + 561496105.

It is an arithmetic number, because the mean of its divisors is an integer number (561496105).

Almost surely, 2^1122992209 is an apocalyptic number.

It is an amenable number.

1122992209 is a deficient number, since it is larger than the sum of its proper divisors (1).

1122992209 is an equidigital number, since it uses as much as digits as its factorization.

1122992209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11664, while the sum is 37.

The square root of 1122992209 is about 33511.0759152851. The cubic root of 1122992209 is about 1039.4228210705.

The spelling of 1122992209 in words is "one billion, one hundred twenty-two million, nine hundred ninety-two thousand, two hundred nine".